December weather forecast
Ibaretama, Brazil

The first month of the summer, December, is still a tropical month in Ibaretama, Brazil, with an average temperature ranging between min 23.7°C (74.7°F) and max 33.4°C (92.1°F).

Temperature

Ibaretama experiences a minor change to a still tropical 33.4°C (92.1°F) in average high-temperature during December, closely reflecting November. Ibaretama's nighttime temperature in December falls to an average of 23.7°C (74.7°F).

Heat index

The heat index for December is appraised at a blistering 41°C (105.8°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In December, the average relative humidity is 62%.

Rainfall

In Ibaretama, Brazil, in December, it is raining for 14.4 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, there are 203.7 rainfall days, and 1151mm (45.31") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 24min of daylight.
On the first day of December, sunrise is at 05:12 and sunset at 17:35. On the last day of the month, sunrise is at 05:26 and sunset at 17:50 -03.

Sunshine

In Ibaretama, Brazil, the average sunshine in December is 7.2h.

UV index

January, July through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 7 during December morphs into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.